<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form :model="regForm" :rules="regRules" ref="regForm">
  <el-form-item prop="username">
    <el-input v-model="regForm.username" placeholder="请输入用户名："></el-input>
  </el-form-item>
   <el-form-item prop="password">
    <el-input v-model="regForm.password" placeholder="请输入密码："></el-input>
  </el-form-item>
   <el-form-item prop="repassword">
    <el-input v-model="regForm.repassword" placeholder="请再次输入密码："></el-input>
  </el-form-item>
  <el-form-item>
    <el-button type="primary" class="zhuce" @click="regNewUser">注册</el-button>
    <el-link type="info" @click="$router.push('/login')">去登录</el-link>
  </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
// 思路：渲染页面
// 1.复制修改
// 2.正则校验
// 3.点击去登录：编程式导航跳转登录页
// 4.点击注册
// 5.兜底校验
// 6.发送ajax,判断响应，注册成功跳转登录页

export default {
  name: 'Reg',
  data () {
    const rePwd = (rules, value, callback) => {
      if (this.regForm.password !== value) {
        return callback(new Error('两次输入密码不一样'))
      }
      callback()
    }
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10的字符数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[\S]{6,15}$/, message: '用户名必须是6-15的字符数字', trigger: 'blur' }
        ],
        repassword: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { validator: rePwd, message: '两次输入的密码不相同', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    regNewUser () {
      this.$refs.regForm.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('/api/reg', this.regForm)
        if (res.code !== 0) {
          return this.$message.error(res.message)
        }
        this.$message.success(res.message)
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.zhuce{
    width: 100%;
}
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    padding: 0 30px;
    box-sizing: border-box;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>
